This part is only compatible if you have the Denso Radiator. It’s stamped right on the top of the radiator.
Honda used two different radiators, Denso and Valeo. If you need the Valeo radiator, you will need the TYC 621580

Here is the link to the TYC 621580 for the Valeo Radiator:

You will also need to drain the radiator down a little:
Here’s a link to the Honda Brand coolant:

Or if you prefer, here is the Zerex Asian Blue Coolant: